Trait polkadot_service::runtime_traits::Checkable

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pub trait Checkable<Context>: Sized {
    type Checked;

    // Required methods
    fn check(
        self,
        c: &Context,
    ) -> Result<Self::Checked, TransactionValidityError>;
    fn unchecked_into_checked_i_know_what_i_am_doing(
        self,
        c: &Context,
    ) -> Result<Self::Checked, TransactionValidityError>;
}

Expand description

Extract the digest type for a block. A “checkable” piece of information, used by the standard Substrate Executive in order to check the validity of a piece of extrinsic information, usually by verifying the signature. Implement for pieces of information that require some additional context Context in order to be checked.

Required Associated Types§

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type Checked

Returned if check succeeds.

Required Methods§

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fn check(self, c: &Context) -> Result<Self::Checked, TransactionValidityError>

Check self, given an instance of Context.

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fn unchecked_into_checked_i_know_what_i_am_doing( self, c: &Context, ) -> Result<Self::Checked, TransactionValidityError>

Blindly check self.

§WARNING

DO NOT USE IN PRODUCTION. This is only meant to be used in testing environments. A runtime compiled with try-runtime should never be in production. Moreover, the name of this function is deliberately chosen to prevent developers from ever calling it in consensus code-paths.